Continuous process for the production of vinyl chloride...

Details Continuous process for the production of vinyl chloride... Continuous process for the production of vinyl chloride...

C - Chemistry, Metallurgy

08

F

C08F 14/06 (2006.01) C08F 2/08 (2006.01) C08K 5/14 (2006.01)

Patent

CA 2646954

Polymerization process comprising the steps of: (a) reacting an aqueous suspension comprising initiator, vinyl chloride, and optionally one or more co-monomers in a continuous stirred tank reactor; and (b) further reacting the resulting suspension in at least one second reactor; wherein the conversion level of vinyl chloride in the continuous stirred tank reactor of step (a) is from 10 to 60 wt%.

L'invention concerne un procédé de polymérisation comprenant les étapes suivantes : (a) faire réagir une suspension aqueuse comprenant un amorceur, du chlorure de vinyle et éventuellement un ou plusieurs comonomères dans un réacteur continu sous agitation ; et (b) faire à nouveau réagir la suspension résultante dans au moins un second réacteur ; le taux de conversion de chlorure de vinyle dans le réacteur continu sous agitation de l'étape (a) étant compris entre 10 et 60 % en poids.

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